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Finding the Fourth Proportional to 5,732.40, 8,599.50 and 2,445.50

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Solution

The fourth proportional to 5,732.40, 8,599.50 and 2,445.50 is: 3,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.40 : 8,599.50 = 2,445.50 : x
  2. Step 2: Convert to fraction form
    5,732.40/8,599.50 = 2,445.50/x
  3. Step 3: Cross multiply
    5,732.40x = 8,599.50 × 2,445.50
  4. Step 4: Simplify right side
    5,732.40x = 21,030,077.25
  5. Step 5: Solve for x
    x = 21,030,077.25/5,732.40
  6. Step 6: Final answer
    x = 3,668.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.